JPH0420131A - Order line system for optical communication line - Google Patents

Abstract

PURPOSE:To attain order without need of large scaled optical transmission terminal station and order line device by sending and receiving pattern information corresponding to an order signal as an optical signal. CONSTITUTION:The system consists of a pattern generator 4 generating a pattern signal corresponding to an order signal 8, an electrooptic converter 5 converting the pattern signal into an optical signal and sending the signal to an optical fiber cable 2, a photoelectric converter 6 converting the optical signal received from the optical fiber cable 2 into a pattern signal and outputting the signal, and a pattern detector 7 detecting an order signal 8 corresponding to the received pattern signal. Thus, the order between both terminal stations 1 is implemented by using the pattern generator 4 generating a pattern signal corresponding to an order signal 8, the electrooptic converter 5 converting the pattern signal into an optical signal, a receiver side photoelectric converter 6 and the pattern detector 7 detecting an order signal 8 corresponding to the received pattern signal. Thus, large scaled optical transmission terminal station and order line device are unnecessitaled.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to an optical communication line meeting line system that forms an oval line for use in optical communication.

[Conventional technology]

A conventional optical communication line meeting line system consists of an order-wire signal multiplexing board (OWMUX) that multiplexes and separates metal signals, a main signal system MUX that superimposes the multiplexed signal on a transmission speed electrical signal, and a superimposed transmission speed electrical signal. The transmitting side is equipped with an electrical/optical signal converter that converts the signal into a transmission speed optical signal, and the receiving side is equipped with an optical/optical signal converter that has the opposite function to that of the transmitting side.
Electrical signal converter and main signal system DMUX and OWDMUX
It was configured to have the following.

[Problem to be solved by the invention]

In the above-mentioned conventional optical communication line meeting line system, the main signal system MUX/DMUX superimposes and separates the metal signal, so the optical transmission terminal equipment and OWMUX/DM
This method requires UX and has the disadvantage of requiring a large-scale equipment configuration to carry out meetings between end offices.

[Means to solve the problem]

The optical communication line meeting line system of the first invention includes: a pattern generator that generates a pattern signal corresponding to a meeting signal; an electro-optical converter that converts the pattern signal into an optical signal and transmits it to the optical communication line; It has a photoelectric converter that converts an optical signal received from a communication line into a pattern signal and outputs it, and a detector that detects a meeting signal corresponding to the pattern signal received.

The optical communication line meeting line system of the second invention includes a pattern generator that generates a signal pattern that generates error information corresponding to the meeting signal, and an electro-optical converter that converts the signal pattern into an optical signal and transmits it to the optical communication line. a photoelectric converter that converts an optical signal received from the optical communication line into a signal pattern and outputs the signal pattern; and a detector that detects a meeting signal corresponding to error information of the signal pattern.

〔Example〕 Next, the present invention will be explained with reference to the drawings.

FIG. 1A is a professional diagram of the first embodiment of the present invention, and FIG.
FIG. A is a configuration diagram of a non-repeater optical communication system and a repeater optical communication system to which the first embodiment is applied.

The terminal device 1 of the first embodiment includes a pattern generator 4 that generates a pattern signal corresponding to a meeting signal 8, and an electro-optical converter that converts the pattern signal into an optical signal and transmits it to a fiber cable 2 of an optical communication line. 5, a photoelectric converter 6 that converts the optical signal received from the fiber cable 2 into a turn signal and outputs it, and a meeting signal 8 corresponding to the received pattern signal.
and a pattern detector 7 for detecting.

In this way, the fiber pair 2
A pattern generator 4 that generates a P/N pattern rl corresponding to the meeting signal 8 and an 'OJ code in both end station equipment 1 in the non-repeater system connected with the above system (in the relay system in which this repeater is inserted). An electro-optical converter 5 that converts an electrical signal containing this code into an optical signal is installed on the transmitting side, and a photoelectric converter 6 and a P/N pattern 'IJ, 'OJ' are installed on the receiving side.
By providing a pattern detector 7 that detects the hammer signal 8 according to the code, a meeting line system between both terminal stations can be realized.

FIG. 1B is a block diagram of a second embodiment of the present invention, and FIG. 2B is a non-relay diagram to which the second embodiment is applied.

FIG. 1 is a configuration diagram of a relayed optical communication system.

The terminal device 1a of the second embodiment includes a pattern generator 4a that generates a signal pattern that generates error information corresponding to a meeting signal 8a, and a pattern generator 4a that converts the signal pattern into an optical signal and connects it to the fiber cable 2a of the optical communication line. An electro-optical converter 5a for transmitting, a photoelectric converter 6a for converting an optical signal received from the fiber cable 2 into a signal pattern and outputting it, and a pattern detector 7a for detecting a meeting signal 8a corresponding to error information of the received signal pattern. It is composed of:

In this way, the meeting signal 8a is sent to both end station devices 1a.
A pattern generator 4a that generates error information corresponding to
An electro-optical converter 5A that converts an electrical signal containing error information into an optical signal is provided on the transmitting side, and a photoelectric converter 6a and a pattern detector 7a that detects a hammer signal 8a according to the error information are provided on the receiving side. This makes it possible to realize a meeting line system between both end stations.

〔Effect of the invention〕

As explained above, the present invention enables a meeting to be held without the need for large-scale optical transmission terminal equipment and meeting line equipment by transmitting and receiving pattern information corresponding to a meeting signal as an optical signal. . Furthermore, it is possible to have a meeting even when the terminal equipment is not installed at the terminal station, that is, even when the system is under construction.

[Brief explanation of the drawing]

1A and 1B are block diagrams of the first and second embodiments of the present invention, and FIGS. 2A and 2B are block diagrams of optical communication systems to which the first and second embodiments are applied. It is a block diagram. 1.1a... terminal equipment, 2... fiber cable,
4, 4a... pattern generator, 5, 5a... electro-optical converter, 6, 6a... photoelectric converter, 7, 7a... pattern detector, 8, 8a... meeting signal.

Claims (1)

[Claims] 1. A pattern generator that generates a pattern signal corresponding to a meeting signal, an electro-optical converter that converts the pattern signal into an optical signal and transmits it to an optical communication line, and a signal that is received from the optical communication line. An optical communication line meeting line system comprising: a photoelectric converter that converts an optical signal into a pattern signal and outputs it; and a detector that detects a meeting signal corresponding to the received pattern signal. 2. A pattern generator that generates a signal pattern that generates error information corresponding to a meeting signal, an electro-optical converter that converts the signal pattern into an optical signal and transmits it to an optical communication line, and an optical signal that is received from the optical communication line. An optical communication line meeting line system comprising: a photoelectric converter that converts a signal into a signal pattern and outputs the signal; and a detector that detects a meeting signal corresponding to error information of the signal pattern.